Guides & Advice
Independent, plain-English guides to help you understand gas boiler problems, costs and options - before you request a quote.
Cost guides
What each job actually costs, broken down.
Boiler Relocation Cost UK: Moving a Boiler Price Guide
Moving a gas boiler typically costs £1,000 to £3,000. Distance matters less than floors, flues and hidden pipework.
Combi Boiler Installation Cost UK: Price Guide
Fitting a combi boiler typically costs £2,200 to £5,000. A straight swap is cheaper, and a conversion that removes tanks costs more.
Gas Boiler Installation Cost UK: Price Guide
A new gas boiler installation typically costs £2,500 to £6,500, depending on radiators, pipework and the gas run. See what moves the price.
Gas Boiler Repair Cost UK: Price Guide
Gas boiler repairs typically cost £100 to £600, from a small part to a major component. See what drives the bill and when replacing wins.
Gas Boiler Service Cost UK: What a Service Includes
A gas boiler service typically costs £70 to £130 and takes under two hours. See what is checked and what a service does not cover.
New Gas Boiler Cost UK: Replacement Price Guide
Replacing a gas boiler typically costs £1,800 to £4,000 fitted. See what is in the price and why quotes for the same house can differ.
Calculators
Get an instant, ballpark estimate.
Guides & advice
Spot the problem, understand your options.
Buying or Moving Into a House with an Old Boiler
Buying a home with an old boiler? Ask for the service history, check the paperwork and budget £1,800 to £4,000 if it needs replacing.
Combi, System and Regular Boilers Explained
Combi, system and regular gas boilers differ in how they make hot water. See what each needs, who it suits and how to tell which you have.
Signs You Need a New Boiler
Age, repeat repair bills and rising gas costs are the clearest signs a gas boiler is due for replacement. Use this checklist to judge yours.